Temporary compression of spinal cord was modelled in anesthetized cats. The degree of spinal disfunction was estimated by component analysis of far-field somatosensory EPs which were recorded along vertebral column and scalp. Even a weak and short-term compression of spinal cord's dorsal columns changed biopotentials' latencies, amplitudes and interpeak intervals. Usefulness of correlative analysis of interpeak intervals as an additional way of differential evaluation of spinal pathways conductivity, was shown.
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